Hello,
I am a expert Unity developer having excellent skills in programming and based on your need i can work with you.
I am having excellent 6 years of experienced in developing games very similar to your idea , Car Racing, Doodle, puzzle, kids games, Multiplayer, jump, and footboll game and many others.
Could you allow me to start with the graphics ? Will you provide materials?
Let's discuss more in chat window so that i can drop some of my previous work samples.
Best Regards,
Invoke (Game Developer)